
jsl_df = pd.read_csv("E:\\MarketData\\Timer_Data\\akshare_bond_convert_jsl.csv", encoding="GBK")
jsl_df["stock_id"] = jsl_df["stock_id"].astype(str)
jsl_df["stock_id"] = jsl_df["stock_id"].apply(lambda x: (6-len(x)) * "0" + x )